TECHNICAL BRIEF · REAL ESTATE

A technical brief for CPA firms, family offices, real estate sponsors, and counsel evaluating how a Management Services Organization may centralize real-estate platform services while preserving property-level depreciation, §469 analysis, §1031 planning, and long-term governance.

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Executive summary

Real estate platforms often operate through multiple property-level LLCs for liability segregation, financing, lender requirements, and asset-specific economics. A Management Services Organization may be evaluated when the platform also needs a separate entity to provide centralized services: leasing, property management, accounting, compliance, asset management, capital allocation, HR, vendor oversight, technology, and family governance.

The MSO should not own the real estate merely to access corporate-rate income. Property-level LLCs generally should continue to hold the real property, report rental income, claim depreciation, and execute any §1031 exchange. The MSO should provide documented services under written agreements and recognize fee income for those services.

The planning objective is not to convert rental income into service income. The objective is to separate real estate ownership from real estate platform operations, price the services at arm’s length, preserve property-level tax attributes, and create a governance structure that may support growth, estate planning, and transition.

What this brief does not say

This brief does not say that an MSO converts passive rental income into active service income. It does not say that an MSO may support real-estate-professional status. It does not say that MSO service fees are automatically deductible. It does not say that §1031 treatment, cost-segregation deductions, NIIT treatment, §163(j) elections, or estate-planning outcomes are guaranteed. It does not say that a C-corporation MSO should own the real estate.

The narrower point is that a real-estate MSO may be useful when it performs real operational services, documents those services, charges arm’s-length fees, preserves entity separateness, and leaves property-level tax attributes at the property-level entities.

I. The structural problem in single-entity real estate

Most closely held real-estate platforms grow from a single entity outward. The first property is held in an LLC; the second property is held in a second LLC; over time the sponsor accumulates a chain of property-level entities that each hold one asset and each contract directly with vendors, lenders, and tenants. The pattern is defensible for liability segregation but creates three structural problems for any platform of size.

The first is operational fragmentation. Property management, leasing, accounting, vendor administration, insurance procurement, capital planning, and tenant relations are performed informally — sometimes by the sponsor, sometimes by a third-party manager, sometimes by an employee whose payroll runs through one property LLC and whose work covers a dozen. The flows are real, but the documentation rarely matches them. When an examiner or a lender asks who is actually running the platform, one consideration is "the principal," not "this entity."

The second is income mischaracterization. Rental income from real property is generally passive under IRC § 469(c)(2), regardless of the taxpayer's level of participation. Service fees for managing the property are non-passive. When a sponsor draws compensation directly from a property-level entity without clearly characterizing it as a management fee, the result is often a partnership distribution that does not match the underlying economics — and a Schedule E that does not reflect the platform's actual mix of passive and service income.

The third is governance and succession. Property-level LLCs are designed to hold real estate and segregate liability. They are not designed to issue equity, host a board, build credit independent of the principal, or sit underneath a dynasty trust as a centralized governance hub. Sponsors who try to convert a property LLC into a family-governance entity discover that they are using the wrong tool: the entity has no operating history, no employees, no service revenue, and no documentary record of the management work the sponsor has been doing personally for years.

II. The MSO solution

The MSO is generally designed as a separate service entity rather than the real-estate owner. In the typical architecture, property-level LLCs own the real estate while the MSO provides documented services. It owns the operational functions that historically lived inside the property LLCs or inside the principal’s personal time: leasing, property management, accounting, compliance, asset management, capital allocation, vendor and contract administration, technology systems, human resources, insurance and risk coordination, and corporate development. Each function is documented as a service the MSO provides to the property-level entities under written agreements, billed at arm’s-length rates, and supported by contemporaneous evidence that the work is actually performed.

The economic flows are straightforward. The property LLCs continue to receive rental income, depreciation, interest deductions, and gain or loss on sale. The MSO recognizes fee income from the property LLCs and deducts the cost of providing the services — salaries, benefits, technology, professional fees, office costs — under IRC § 162. Net corporate taxable income at the MSO is taxed at the 21% federal rate. The owner’s personal return continues to reflect property-level rental income and depreciation; the MSO appears separately as either an operating entity in which the owner is employed or, where the owner retains stock, as a holding entity for future planning.

Real-estate MSO architecture Diagram showing a family trust at the top owning MSO C-corporation stock; the MSO providing services to three property-level LLCs that each hold a real-estate asset; rental income and depreciation remaining at the property level while service fees flow to the MSO. Real-estate MSO architecture SERVICE INCOME AT THE MSO · PASSIVE INCOME AT THE PROPERTY LEVEL OWNERSHIP Family / dynasty trust SERVICE ENTITY MSO C-Corporation Leasing · PM · accounting · compliance · asset mgmt Fee income taxed at 21% under § 11 SERVICES →    FEES ← PROPERTY LLC Multifamily asset Rental income · § 168 § 1031 at sale PROPERTY LLC Industrial asset Rental income · § 168 § 1031 at sale PROPERTY LLC Self-storage asset Rental income · § 168 § 1031 at sale Owner takes depreciation personally through pass-through property LLCs; MSO retains corporate-rate fee income.
Figure 1. Service income at the MSO; passive income, depreciation, and § 1031 deferral at the property level. The trust at the top is the long-term governance overlay.

Fifteen distinct service functions commonly anchor a real-estate MSO. They include centralized management and administrative services; investment underwriting and capital allocation; intercompany lending and loan administration; enterprise risk management and compliance oversight; commercial credit development; vendor, contract, and operational oversight; governance and succession; capital formation and equity participation; human resources and talent management; technology, data, and systems management; strategic planning and corporate development; insurance and risk-transfer coordination; and legal, regulatory, marketing, and knowledge-management functions. Each is a documented business purpose that supports the corporate separateness, economic substance, and ordinary-and-necessary expense standards that govern every closely held service entity.

III. Tax implications

Rental income versus service income under § 469

The bright line in real-estate taxation is the passive activity loss regime under IRC § 469. Section 469(c)(2) treats rental real estate as per se passive regardless of participation, with the consequence that losses are limited to the taxpayer’s passive income and excess losses are suspended. Section 469(c)(1) defines a passive activity more generally as a trade or business in which the taxpayer does not materially participate.

The structure should be documented so the classifications do not blur. Rental income should remain at the property-level entity, while service-fee income should be reported by the MSO for services actually performed. If fees are unsupported, excessive, or not tied to real services, the classification can become vulnerable.

Service vs. passive income classification under § 469 Flowchart starting from a tenant rent payment, splitting between rental income retained at the property LLC level as passive activity income under section 469(c)(2) and service fees paid to the MSO recognized as non-passive trade or business income under section 162. Service vs. passive income under § 469 EACH ENTITY REPORTS WHAT IT EARNS ORIGINATING CASH Tenant rent payment Received by property LLC, then split: PROPERTY LLC RETAINS Rental income (net of fee) Per se passive under § 469(c)(2) Depreciation under § 168 personal Eligible for § 1031 at sale Exception: RE professional § 469(c)(7) MSO RECEIVES Arm's-length service fee Non-passive § 162 trade/business Corporate-rate tax under § 11 Deductible to property LLC Reasonable in amount and substantiated No commingling of character: rental income stays passive; fee income stays non-passive.
Figure 2. the MSO may not convert passive rental income into non-passive service income. Each entity reports the income its activity actually produces.

The § 469(c)(7) real-estate professional safe harbor

IRC § 469(c)(7) removes the per se passive treatment of rental real estate for a "real-estate professional" — a taxpayer who (i) performs more than 750 hours of personal services in real property trades or businesses during the year and (ii) performs more than half of all personal services in real property trades or businesses in which the taxpayer materially participates. Where a taxpayer qualifies, rental losses on grouped properties become available against ordinary income.

Treas. Reg. § 1.469-9 provides the grouping election that allows a real-estate professional to aggregate rental real-estate interests as a single activity for the material-participation test. The election is made by a written statement attached to the timely filed return. In an MSO architecture, the grouping election is typically made at the individual level on the property-level interests; the MSO’s service activity is a separate, non-passive trade or business and is not part of the rental grouping.

The interaction matters. Hours performed by the owner as an employee of the MSO — managing the platform’s properties — count toward the 750-hour test under § 469(c)(7)(D)(ii)’s rules for employees, provided the owner holds more than 5% of the employer. In a typical closely held MSO where the owner holds more than 5% of the employer, MSO service time may be relevant to the §469(c)(7) analysis if the work otherwise constitutes personal services in real property trades or businesses and the taxpayer satisfies the applicable participation and documentation requirements. Sponsors who route their management hours through the MSO therefore preserve their real-estate-professional eligibility while simultaneously running a service business that generates separately characterized fee income.

Generally, the MSO should not by itself disqualify the owner from real-estate-professional status, but the analysis is fact-specific. Hours performed through the MSO may be relevant where the owner satisfies the ownership and participation requirements and the work constitutes personal services in real property trades or businesses. The taxpayer should maintain contemporaneous hour logs and review the grouping election, material-participation tests, employee-owner rules, and return position with the CPA.

§ 163(j) business interest limitation

IRC § 163(j) limits a taxpayer’s deduction for business interest expense to the sum of business interest income, 30% of adjusted taxable income, and floor-plan financing interest. The limitation is computed at the entity level for partnerships and at the consolidated level for corporate groups. For real-estate platforms, the practical question is whether to make the election out under § 163(j)(7)(B) as an "electing real property trade or business," which removes the limitation but requires the alternative depreciation system (ADS) for residential rental, nonresidential real property, and qualified improvement property.

The election is made separately for each property-level entity, not at the MSO. The MSO itself is a service business; its interest expense (typically modest) is tested under the general § 163(j) framework with reference to its own adjusted taxable income. Where a property LLC elects out, the cost is the slower ADS life and the loss of bonus depreciation on covered assets; the benefit is full deduction of mortgage interest. The analysis is property-by-property and turns on the leverage ratio and the depreciation profile of the asset.

Cost segregation acceleration timing

Cost segregation studies reclassify portions of a building’s acquisition or development cost into shorter recovery periods under IRC § 168. Personal property components recover over 5 or 7 years; land improvements recover over 15 years; the building shell recovers over 27.5 (residential) or 39 (nonresidential) years. The reclassified components are eligible for bonus depreciation under § 168(k) — currently phasing down on the legislated schedule — and for § 179 expensing where applicable.

In an MSO architecture, the cost-segregation benefit lives at the property-level entity, not at the MSO. the MSO may not own the building. Personal-property components inside the property LLC depreciate against rental income on the property; the deductions flow through to the owner’s individual return and (if the owner qualifies under § 469(c)(7)) can offset ordinary income. The MSO itself depreciates only its own assets — office equipment, technology systems, leasehold improvements at its office — under the general § 168 framework.

Cost segregation timing inside an MSO architecture Timeline comparing 27.5-year straight-line depreciation to cost-segregated 5, 7, and 15-year components with bonus depreciation, showing the depreciation acceleration occurring at the property-LLC level while the MSO independently recognizes service fee income. Cost segregation acceleration inside an MSO DEPRECIATION AT PROPERTY LLC · FEE INCOME AT MSO WITHOUT COST SEG · STRAIGHT-LINE 27.5 / 39 YR Even spread across full recovery period — small annual deduction WITH COST SEG + § 168(k) BONUS · AT PROPERTY LLC Year 1 bonus 5/7 yr 15 yr Building shell 27.5/39 yr Yr 1 Yr 5 Yr 10 Yr 20 Yr 27.5/39 MSO PARALLEL ACTIVITY Recognizes arm’s-length service fee income — 21% corporate rate under § 11 Acceleration occurs at the property level. the MSO may not own depreciable real property. Owner with § 469(c)(7) status may offset ordinary income with the accelerated deductions.
Figure 3. The acceleration sits at the property LLC. Splitting service functions into an MSO does not move where depreciation runs — it preserves who gets to use it.

§ 1031 like-kind exchanges at the property level

IRC § 1031 permits deferral of gain on the exchange of real property held for productive use in a trade or business or for investment, provided the like-kind requirements, identification timelines, and qualified-intermediary structures of Treas. Reg. § 1.1031(k)-1 are met. Since the 2017 TCJA, § 1031 applies only to real property.

In an MSO architecture, § 1031 continues to operate at the property level because the property level is where the real estate sits. the MSO may not exchange property — it provides services. When a property LLC sells an asset and reinvests in a replacement, the exchange is structured as it would have been without the MSO: the same-taxpayer rule looks at the property LLC, the qualified intermediary holds proceeds, the 45-day identification window and 180-day closing window apply. Where the property LLC is a single-member disregarded entity, the same-taxpayer analysis runs to its owner; where it is a partnership, the partnership must execute the exchange.

The MSO generally should not be part of the exchange chain if it does not own the real estate. The property-level taxpayer, qualified intermediary, identification documents, same-taxpayer analysis, debt replacement, and closing mechanics remain the primary §1031 file. The MSO may coordinate the process, but it should not be presented as changing the §1031 requirements.

NIIT considerations under § 1411

The 3.8% net investment income tax under IRC § 1411 applies to net investment income above the statutory thresholds. Rental income is generally NII; income from a trade or business in which the taxpayer materially participates is generally not. The same § 469 material-participation analysis that drives passive activity loss treatment therefore drives NIIT exposure. A real-estate professional under § 469(c)(7) who materially participates in grouped rentals can take the position that the rental income is excluded from NII as derived from a non-passive trade or business under Treas. Reg. § 1.1411-4(g)(7)’s real-estate-professional safe harbor.

The MSO’s service-fee income is not investment income; it is corporate trade-or-business income that has already been taxed at the 21% rate. Distributions from the MSO to the shareholder, when made, may carry NIIT exposure to the extent they constitute dividends from a non-S corporation — one more reason that the distribution-management discipline described in the C-corp double-taxation literature applies equally to a real-estate MSO.

IV. Estate planning advantages

A real-estate MSO may be a useful governance asset for trust planning because it can hold the operating history, personnel, systems, contracts, and management know-how of the platform. The transfer-tax result depends on valuation, timing, control, retained powers, trust design, installment-sale terms, cash flow, and counsel review. The trust may own MSO stock or acquire it over time, but the result should not be presented as automatic estate-tax removal.

Whether trust ownership achieves transfer-tax efficiency depends on the trust design, the valuation at the time of transfer, the discount support, the funding mechanics, and counsel review. The MSO may be one component of that plan, but it does not, by itself, produce an estate-planning outcome.

The architectural advantage is that the family-governance overlay does not disrupt the property-level depreciation, § 469 grouping, or § 1031 mechanics. Property LLCs remain pass-throughs reporting their rental activity to their members. The MSO sits above as a service company. The trust sits above the MSO as the long-term holder. Each layer does one job, and none of them depends on the others to do its.

DESIGN NOTE
The MSO is the entity that scales with the family. Property LLCs come and go as assets are acquired, exchanged, and sold; the MSO persists. It carries the operating history, the employees, the systems, and the institutional knowledge of the platform — which is precisely what makes it the right object for trust ownership.

V. Documentation requirements specific to real-estate MSOs

A real-estate MSO is held to the same documentation standard as any other service entity, with several additions driven by the nature of the underlying assets. The baseline framework rests on five doctrines: the business purpose doctrine (Gregory v. Helvering, 293 U.S. 465); the corporate separateness doctrine (Moline Properties, Inc. v. Commissioner, 319 U.S. 436); the economic substance doctrine codified at IRC § 7701(o); the ordinary-and-necessary expense standard at IRC § 162; and the arm’s-length intercompany requirements of IRC § 482.

The minimum documentation set for a real-estate MSO includes: (i) written service agreements between the MSO and each property LLC describing scope, fee, and term; (ii) a fee study supporting the arm’s-length benchmark for each service line (leasing, property management, asset management, accounting, compliance); (iii) annual board minutes reaffirming the corporation’s business purposes, reviewing activities performed, approving intercompany arrangements, and ratifying officer actions; (iv) contemporaneous time records or activity logs supporting that the services were in fact rendered; (v) intercompany invoices issued and paid on stated terms; (vi) AFR-compliant promissory notes for any intercompany loans, with documented payment history; and (vii) separate books, separate bank accounts, and separate tax returns for the MSO and each property LLC.

Real estate adds three additional documentation lines. First, the § 469(c)(7) hour log: where the owner is claiming real-estate-professional status, contemporaneous records of time spent on real property trades or businesses are required and may be examined. Second, the § 1031 exchange file: identification documents, qualified-intermediary agreements, closing statements, and (where the same-taxpayer rule is implicated) entity-level documentation supporting the exchanging taxpayer’s identity. Third, the cost-segregation study: an engineering-based report supporting the reclassification of building components into shorter recovery lives, retained with the property file and referenced in the depreciation schedule.

Retained MSO capital and §531 discipline

A real-estate MSO may retain after-tax earnings for documented business needs: hiring, accounting systems, property-management infrastructure, acquisition diligence, technology, lender reporting, risk reserves, intercompany lending, and transition planning. Retention should not be described as tax-free accumulation. It should be supported by specific, definite, and feasible business plans, board approval, reserve policy, and annual review under the accumulated-earnings framework. See our companion brief on MSO cash uses and §531.

VI. Common failure modes

Real-estate MSOs fail in patterns. The patterns are not unique to real estate — they appear in every closely held service-entity structure — but real-estate platforms are particularly exposed because the owner often performs both the property-level work and the service-entity work and the lines blur if no one draws them.

Commingled cash

The most common failure is a single operating account into which rental receipts, management fees, owner reimbursements, and capital contributions all flow. Examiners read commingled cash as evidence that the entities are not in fact separate — that the MSO is the owner’s alter ego and the property LLC is a paper construct. The cure is mechanical: separate bank accounts, separate signatories, and intercompany transfers documented as such on the date they occur.

No fair-market-value management agreement

The second common failure is a management fee set at a number that "feels right" without a benchmark. A fee that is too high invites a § 482 reallocation and a corresponding disallowance at the property LLC; a fee that is too low invites a re-characterization argument and complicates the MSO’s ability to support its corporate-rate income. The discipline is a written fee study at inception, refreshed periodically, that references market benchmarks for each service line. A platform that cannot show how it priced its services is not a platform; it is a check-writing arrangement.

Missing service substantiation

The third failure is the absence of evidence that the services were in fact provided. Service agreements describe what the MSO will do; substantiation describes what the MSO actually did. Activity logs, monthly management reports, leasing memoranda, capital-call schedules, board minutes, vendor records, and email files all serve this function. The standard is straightforward: if the MSO disappeared tomorrow, would there be a written record showing what work it had performed for each property? When one consideration is no, the deduction at the property LLC is exposed.

Stale board records and annual minutes

Closely related is the failure to maintain annual corporate formalities. The MSO is a corporation; it has a board; the board is required to meet, to review the corporation’s purposes, to approve intercompany arrangements, and to ratify officer actions. A specimen template of annual minutes covering review of corporate purposes, review of activities performed, approval of service and intercompany agreements consistent with § 482, and ratification of officer actions provides the audit trail. When the minutes are silent, the corporate separateness defense weakens.

Routing depreciation into the MSO

As a general design discipline, the MSO usually should not own the real estate. Holding real property in a C-corporation can trap depreciation, gain, and exit flexibility inside the corporate regime and may create double-tax exposure. Property-level LLC ownership is usually the cleaner architecture, subject to counsel and CPA review.

How real estate MSO SG&A supports the fee

The MSO’s SG&A should map directly to the services it performs. If the MSO charges property LLCs for leasing, accounting, compliance, asset management, HR, vendor oversight, or technology support, the MSO should also have payroll, contracts, software, professional fees, office costs, reporting systems, and service logs that show how those services were delivered.

The management fee is not a transfer of rental income. It is the price paid for actual services. The stronger the connection between the MSA, invoices, SG&A, and work performed, the stronger the §162 and §482 file.

VII. Frequently asked questions

Should the MSO ever own the real estate?

Usually no. Real estate owned directly by a C-corporation may trap depreciation, gain, and exit flexibility inside the corporate regime and may create double-tax exposure when value is distributed. The cleaner architecture usually keeps real property in property-level LLCs and routes only documented service activity through the MSO.

How is the management fee benchmarked?

By service line. Leasing fees, property management fees, asset management fees, and accounting fees each have market benchmarks — typically a percentage of effective gross income, of new-lease commissions, or of asset value, or an hourly rate for back-office services. The fee study aggregates the benchmarks across the services the MSO actually provides. A defensible fee can be supported by reference to third-party manager rate cards, broker-leasing comp tables, or an independent valuation opinion.

What happens at a § 1031 exchange when an MSO is in place?

The mechanics generally should not change. The exchanging taxpayer is the property LLC (or, where it is a disregarded entity, the owner of the property LLC). The qualified intermediary, the 45-day identification, the 180-day completion, the same-taxpayer rule, and the debt replacement rule remain unchanged. The MSO coordinates and documents the process, but it is not part of the §1031 chain.

Does § 163(j) apply to the MSO or the property LLC?

Both, separately. The MSO tests its own interest expense against its own adjusted taxable income at the corporate level. Each property LLC tests its mortgage interest under the entity-level rules and may elect out under § 163(j)(7)(B) as an "electing real property trade or business," accepting ADS depreciation on covered assets in exchange for full interest deductibility.

Can MSO retained earnings finance new property acquisitions?

Potentially, if documented as bona fide debt or another properly reviewed capital arrangement. The note should have a stated principal amount, adequate interest, maturity, repayment terms, board approval, payment history, and borrower repayment capacity. The structure should be reviewed for §7872, §482, §163(j), debt/equity characterization, state tax, and entity-separateness issues.

How does NIIT apply to MSO distributions?

Dividends from a C-corporation are generally net investment income under IRC § 1411 and subject to the 3.8% NIIT to the extent the shareholder is over threshold. Sale proceeds from MSO stock are similarly subject to NIIT. The distribution-management techniques used in any C-corp MSO — W-2 compensation, intercompany loans, redemptions structured under IRC § 302, and basis step-up at death under IRC § 1014 — remain the working levers.

Where does the cost-segregation study live?

At the property-level entity that owns the building. The study supports the depreciation schedule on that entity’s return. the MSO may not host the study because the MSO may not own the building — it does, however, often coordinate the engineering engagement, retain the report, and ensure the property LLC’s tax preparer reflects the reclassification on the depreciation schedule.

Why this matters for family offices and exit readiness

A real-estate portfolio is often difficult to transition because property ownership, management knowledge, vendor relationships, financing, insurance, reporting, and family decision-making are scattered across entities and individuals. A properly operated MSO may centralize the operating layer without disturbing property-level ownership.

That can help a family office or sponsor show buyers, lenders, heirs, and fiduciaries a cleaner platform: defined services, management reports, centralized systems, documented fees, vendor oversight, insurance coordination, acquisition process, board records, and successor governance.

In that sense, the MSO is not only a tax structure. It is an enterprise-readiness file.

Disclosures

This brief is a general framework prepared for institutional readers — CPA tax partners, family-office investment professionals, real-estate sponsors, and their counsel. It is not personalized tax, legal, accounting, or investment advice and cannot be relied upon to avoid penalties under the Internal Revenue Code. The Internal Revenue Code sections, Treasury Regulations, and judicial doctrines referenced here state general legal frameworks; application to any particular taxpayer depends on facts and circumstances not addressed in this brief.

Modeling assumptions referenced in this brief (including any references to AFR-based intercompany loans, NOI growth rates, cap rates, appreciation rates, and corporate or individual tax rates) are hypothetical and presented solely to illustrate structural mechanics. They are not predictions of actual outcomes and do not reflect any particular client’s circumstances. Real-estate transactions involve substantial risk and material variability in outcome; the appropriateness of any structure depends on the taxpayer’s overall fact pattern.

Relevant authorities include IRC §§ 11, 162, 163(j), 168, 168(k), 179, 263A, 301, 316, 469, 469(c)(7), 482, 1031, 1411, 7701(o), and 7872; Treas. Reg. §§ 1.469-9, 1.1031(k)-1, and 1.1411-4; and the Business Purpose Doctrine (Gregory v. Helvering, 293 U.S. 465 (1935)), the Corporate Separateness Doctrine (Moline Properties, Inc. v. Commissioner, 319 U.S. 436 (1943)), and the economic-substance framework applied in Frank Lyon Co. v. United States, 435 U.S. 561 (1978). Readers should consult qualified counsel before implementing any structure described here.

Endnotes

1. IRC § 11 (federal corporate income tax rate, 21%).
2. IRC § 162 (ordinary and necessary trade or business expenses; deductibility of management fees subject to reasonableness; see also GTC’s technical note on management-fee calculation).
3. IRC § 163(j) (business interest expense limitation; electing real property trade or business under § 163(j)(7)(B)).
4. IRC § 168 (modified accelerated cost recovery system); IRC § 168(k) (bonus depreciation); IRC § 179 (expensing).
5. IRC § 469 (passive activity losses); IRC § 469(c)(2) (rental activities per se passive); IRC § 469(c)(7) (real-estate professional exception); IRC § 469(c)(7)(D)(ii) (employee-hours rule).
6. Treas. Reg. § 1.469-9 (election to aggregate rental real-estate interests).
7. IRC § 482 (arm’s-length intercompany pricing).
8. IRC § 1031 (like-kind exchanges of real property); Treas. Reg. § 1.1031(k)-1 (qualified intermediary; identification rules).
9. IRC § 1411 (net investment income tax); Treas. Reg. § 1.1411-4 (computation of net investment income; real-estate-professional safe harbor at § 1.1411-4(g)(7)).
10. IRC § 7701(o) (economic substance doctrine codified).
11. IRC § 7872 (below-market loans; applicable federal rate).
12. Gregory v. Helvering, 293 U.S. 465 (1935) (business purpose doctrine).
13. Moline Properties, Inc. v. Commissioner, 319 U.S. 436 (1943) (corporate separateness).
14. Frank Lyon Co. v. United States, 435 U.S. 561 (1978) (economic substance in financing arrangements).